MTM-120(S-A20-120VA)  |   12HFA51A42H  | 电源变压器

型号：MTM-120(S-A20-120VA)

类别：电源变压器

成色：全新/ 非全新

质保：一年

环境规格

参数 最小值 麦克斯 单位

工作温度 0 60 摄氏度

+24Vdc （继电器） -40 85 摄氏度

+24Vdc （隔离） - 0 mA 5 95 %相对湿度

定义：MTM-120(S-A20-120VA) 电源变压器是一种利用电磁感应原理工作的电气设备，通过改变交流电压的幅值，实现电能的传输、分配、变换和控制。

功能：

功率传送：MTM-120(S-A20-120VA)将电能从一个电路传输到另一个电路。

电压变换：通过改变线圈的匝数比，将输入电压升高或降低为所需的输出电压。

阻抗变换：匹配不同电路之间的阻抗，确保电能的顺畅传输。

绝缘隔离：将电路的不同部分进行有效的电气隔离，保护电路的安全性和稳定性。

MTM-120(S-A20-120VA)电源变压器可以根据不同的分类标准进行分类，如传送功率大小、冷却方式、电源相数、用途、铁芯或线圈结构等。以下是一些常见的分类及特点：

按传送功率大小：

大功率变压器（10kVA以上）：结构坚固，散热系统高效，适用于大型电力设备和系统。

中功率变压器（10kVA～0.5kVA）：性能稳定，成本效益高，广泛应用于中型电子设备。

小功率变压器（0.5kVA～25VA）：体积小，节能高效，常见于小型电子设备和家用电器。

微功率变压器（25VA以下）：精密高效，适用于微型电子设备和精密仪器。

按冷却方式：干式变压器（自冷）、油浸式变压器（自冷、风冷、水冷等）。

按电源相数：MTM-120(S-A20-120VA) 单相变压器、三相变压器和多相变压器。

Model: MMTM-120 (S-A20-120VA)

Category: Power transformers

Finish: New/not new

Warranty: One year

Environmental specification

Parameter minimum Max unit

Operating temperature 0 60 degrees Celsius

+24Vdc (relay) -40 85 degrees Celsius

+24Vdc (isolation) -0 mA 5 95% relative humidity

Definition: MMT-120 (S-A20-120VA) power transformer is an electrical equipment that works on the principle of electromagnetic induction, and realizes the transmission, distribution, transformation and control of electrical energy by changing the amplitude of the AC voltage.

Features:

Power transfer: The MTM-120(S-A20-120VA) transfers power from one circuit to another.

Voltage conversion: Raising or lowering the input voltage to the desired output voltage by changing the turn ratio of the coil.

Impedance conversion: Match the impedance between different circuits to ensure smooth transmission of electrical energy.

Insulation isolation: Effective electrical isolation of different parts of the circuit to protect the safety and stability of the circuit.

Mmtm-120 (S-A20-120VA) power transformers can be classified according to different classification criteria, such as transmission power size, cooling method, number of power supply phases, use, core or coil structure. Here are some common categories and characteristics:

By transmission power:

High-power transformer (more than 10kVA) : strong structure, efficient cooling system, suitable for large power equipment and systems.

Medium power transformer (10kVA ~ 0.5kVA) : stable performance, cost-effective, widely used in medium-sized electronic equipment.

Small power transformer (0.5kVA ~ 25VA) : small size, energy saving and efficient, common in small electronic equipment and household appliances.

Micro power transformers (up to 25VA) : Precision and efficient, suitable for micro electronic devices and precision instruments.

According to the cooling method: dry transformer (self-cooling), oil immersed transformer (self-cooling, air cooling, water cooling, etc.).

According to the number of power supply phases: MMTM-120 (S-A20-120VA) single-phase transformer, three-phase transformer and polyphase transformer.